html, body {
    margin: 0;
    padding: 0;
    overflow: hidden;
}

canvas {
    width: 100%;
    height: 100%;
    position: absolute;
}

/* 2D、3D的label的样式 */
.element {
    width: 120px;
    height: 160px;
    box-shadow: 0 0 12px rgba(0,255,255,0.5);
    border: 1px solid rgba(127,255,255,0.25);
    font-family: Helvetica, sans-serif;
    text-align: center;
    line-height: normal;
    cursor: default;
    background-color: rgba(0, 127, 127, 0.49);
    position: absolute;
    transform: translate(-50%, -50%) translate(460px, 195.638px);
    z-index: 1;
}
.element:hover {
    box-shadow: 0 0 12px rgba(0,255,255,0.75);
    border: 1px solid rgba(127,255,255,0.75);
}
.element .number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 12px;
    color: rgba(127,255,255,0.75);
}
.element .symbol {
    position: absolute;
    top: 40px;
    left: 0;
    right: 0;
    font-size: 30px;
    font-weight: bold;
    color: rgba(255,255,255,0.75);
    text-shadow: 0 0 10px rgba(0,255,255,0.95);
}
.element .details {
    position: absolute;
    bottom: 15px;
    left: 0;
    right: 0;
    font-size: 12px;
    color: rgba(127,255,255,0.75);
}
.d3{
    border-width: 60px;
    border-style: solid;
    border-color: rgba(0, 127, 127, 0.49) transparent transparent transparent;
    position: absolute;
    top: 161.4px
}